• Tonight

    Apr 18

    Lo 2°

    A shower early; mainly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
    • Hi
      RealFeel
      12°
    • Wind
      Speed
      13 k/h
    more
  • Sat

    Apr 19

    11°Lo 1°

    A morning snow shower

    Fair for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
    • Wind
      Speed
      19 k/h
    more
  • Sun

    Apr 20

    14°Lo 5°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      17°
    • Wind
      Speed
      8 k/h
    more
  • Mon

    Apr 21

    17°Lo 8°

    A couple of showers possible

    Fair for home energy
    • Avg
      RealFeel
      13°
    • Hi
      RealFeel
      19°
    • Wind
      Speed
      8 k/h
  • Tue

    Apr 22

    17°Lo 5°

    Mostly cloudy with showers

    Fair for home energy
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      15°
    • Wind
      Speed
      19 k/h
    more
Next Previous
Hi 17° RealFeel® 19° Precipitation 30%

Day

N

E

S

W

  • S 8 km/h
  • Gusts: 16 km/h

Sunny intervals with a couple of showers possible

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 15%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 8° RealFeel® 6° Precipitation 25%

Night

N

E

S

W

  • ESE 3 km/h
  • Gusts: 10 km/h

Cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 17° 12° 29° (1987)
Low -8° (1981) -6°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:48 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:29 AM with 9:58 of moolight, then sets at 11:27 AM

Top Story

Ottawa Weather Report

Long Range Hints Through May

April 18, 2014; 7:23 AM ET

Updated look at the long-range and potential El Nino later this year. more >